\usepackage{Colori}
\usepackage{stackrel}
\usepackage{beamerthemesplit}
%\usepackage[pdftex]{graphicx}
%\author{}
%\institute{}
\newcommand{\vet}[1]{\boldsymbol{#1}}%vektoro
\newenvironment{kolono}{\\ \begin{minipage}[t]{0.45\textwidth}}{\end{minipage}\hspace{0.05\textwidth}}
\newenvironment{kolono2}{\begin{minipage}[t]{0.45\textwidth}}{\end{minipage}}
\newcommand{\dm}[1]{\begin{eqnarray*}#1\end{eqnarray*}}
\newcommand{\di}{\mathrm{d}}%diferencialo
\newcommand{\homo}[1]{\fontencoding{T1}\fontfamily{ppl}\fontseries{m}\fontshape{
n}\fontsize{10}{12pt}\selectfont {#1}\normalfont}
\newcommand{\nul}{\rule{0pt}{0pt}}
\newcommand{\blu}[2]{#2\\}
\newcommand{\sogno}[2]{\color{Verde} #2\\}
